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Comparative evaluation of multi-residue methods for analysis of pesticide residues in black pepper by gas chromatography tandem mass spectrometry: critical evaluation of matrix co-extractives and method validation

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Title Comparative evaluation of multi-residue methods for analysis of pesticide residues in black pepper by gas chromatography tandem mass spectrometry: critical evaluation of matrix co-extractives and method validation
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Creator Chandrasekar K.
Sreekanth A.
Davis Presley
Ahammed Shabeer T.P.
 
Subject QuEChERS
Multi residue pesticides
Spices
Black pepper
GC-MS/MS
 
Description Not Available
A gas chromatography tandem mass spectrometry method was developed for simultaneous determination
of 133 pesticides in Black pepper (Piper nigrum). QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) sample preparation method is preferred over multistep methods. Extraction was done by using acetonitrile followed by clean up using graphitized carbon, primary secondary amine and octadecyl silica (C18). Even after the cleanup, non-volatile co-extractives stick to the liner and column which results in affecting the performance of the instrument and volatile co-extractives impact the analysis by enhancing the analyte concentration. So we evaluated a dilution procedure to overcome the drawbacks. The limit of quantification of 0.01 mg kg-1 was achieved for fifty times diluted sample extract with S/N C 10. The recovery was
between 70 and 120% for 0.01, 0.025 and 0.05 mg kg-1 for fortified samples and corresponding precision was
between 3 and 16% RSD. The seven-level calibration curve shows a regression co-efficient of 0.99.
Not Available
 
Date 2020-07-29T16:09:53Z
2020-07-29T16:09:53Z
2020-06-27
 
Type Research Paper
 
Identifier Kandaswamy, C., Anandaram, S., Presley, S.I.D. et al. Comparative evaluation of multi-residue methods for analysis of pesticide residues in black pepper by gas chromatography tandem mass spectrometry: critical evaluation of matrix co-extractives and method validation. J Food Sci Technol (2020). https://doi.org/10.1007/s13197-020-04605-0
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http://krishi.icar.gov.in/jspui/handle/123456789/38508
 
Language English
 
Relation Not Available;
 
Publisher Springer